Nursing Elites

1. In the Gram Stain procedure, which component acts as the mordant?

• A. Crystal violet
• B. Methyl alcohol
• C. Iodine
• D. Safranin

Correct answer: C

Rationale: In the Gram Stain procedure, the mordant is Gram's Iodine. The purpose of the mordant is to form a complex with the crystal violet, enhancing its ability to bind to the cell wall. Crystal violet is actually the primary stain used in the Gram Stain procedure to initially color all cells. Methyl alcohol is the decolorizer that removes the crystal violet from certain cell types. Safranin is the counterstain used to stain those cells that did not retain the crystal violet stain after the decolorization step.

2. The nurse is teaching a student nurse about the different types of thermometers. When teaching the student about the advantages of the tympanic membrane thermometer (TMT), which statement would the nurse include?

• A. "Measuring temperature using the TMT is cost-effective."?
• B. "The rapid measurement of the TMT is beneficial for uncooperative younger children."?
• C. "TMT is not recommended for measuring core body temperature in newborn infants."?
• D. "TMT is not the preferred method for measuring body temperature in patients with otitis media."?

Correct answer: B

Rationale: The correct answer is "The rapid measurement of the TMT is beneficial for uncooperative younger children." TMT is ideal for young children who may not cooperate for oral temperatures or fear rectal temperatures. However, using TMT for newborn infants is not recommended due to inconsistencies in results. Measuring temperature with TMT is not necessarily cost-effective. The most accurate method for measuring core temperature is through rectal temperatures. TMT may not be the preferred method for patients with otitis media due to potential inaccuracies caused by fluid behind the tympanic membrane.

3. In addition to standard precautions, the nurse caring for a patient with rubella would plan to implement what type of precautions?

• A. Droplet precautions
• B. Airborne precautions
• C. Contact precautions
• D. Universal precautions

Correct answer: A

Rationale: Rubella is an illness transmitted by large-particle droplets, so the nurse should implement droplet precautions in addition to standard precautions. Airborne precautions are used for diseases spread through small particles in the air, such as tuberculosis, varicella, and rubeola. Contact precautions are utilized for diseases transmitted by direct contact with the patient or their environment. Universal precautions and body substance isolations are part of the CDC's standard precautions recommendations, but do not specifically address the transmission route of rubella.

4. Which nursing intervention is most appropriate to reduce environmental stimuli that may cause discomfort for a client?

• A. Loosen pressure dressings on wounds
• B. Use assistance to lift a client in bed
• C. Check temperature of water used in a sponge bath
• D. Position the client in a prone position

Correct answer: C

Rationale: To reduce environmental stimuli that may cause discomfort for a client, nurses can implement various interventions. Checking the temperature of the water used in a sponge bath is crucial to prevent burns from water that is too hot or discomfort from water that is too cold. This intervention addresses a common source of discomfort for clients during personal care. Loosening pressure dressings on wounds, although important for wound care, does not directly address environmental stimuli. Using assistance to lift a client in bed is about proper positioning and preventing injury rather than reducing environmental stimuli. Positioning the client prone is not a suitable intervention for reducing discomfort caused by environmental stimuli.

5. You see a sign over Mary Jones' bed when you arrive at 7 am to begin your day shift. The sign says, 'NPO'. Ms. Jones is on a regular diet. The patient asks for milk and some crackers. You _____________.

• A. can give her the milk but not the crackers
• B. can give her both the milk and the crackers
• C. can give her the crackers but not the milk
• D. cannot give her anything to eat or drink

Correct answer: D

Rationale: The correct answer is that you cannot give her anything to eat or drink. 'NPO' is the standard abbreviation for 'nothing by mouth,' indicating that the patient should not consume any food or liquids. It is crucial to adhere to this restriction to prevent any potential harm or complications in the patient's condition. Choices A, B, and C are incorrect because 'NPO' clearly specifies that the patient should not have anything to eat or drink, including milk and crackers. Providing these items could lead to adverse effects, so it is essential to follow the 'NPO' directive strictly.

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